Construction of an algorithm for the selection of rigid stops in steel­concrete beams under the action of a distributed load

Authors

DOI:

https://doi.org/10.15587/1729-4061.2020.204251

Keywords:

steel-concrete beam, rigid stop, stop step, effort in a stop, reduced rigidity, graphic-analytical method

Abstract

An algorithm has been developed to select rigid stops in steel-concrete beams under the action of distributed load. Concrete is connected rigidly to a steel sheet in order to perform the joint operation of the concrete and steel sheet. Such a connection in the beam is provided by rigid stops that prevent shifting efforts in the concrete and steel contact area. The efforts are determined through the turning angles between the two adjacent sections of the beam. A graph-analytical method for determining movements is used to determine the turning angles. In determining the deformations of a steel-concrete beam, the calculation is based on the reduced rigidities of cross-sections.

The purpose of this study is to optimize the structure of a steel-concrete beam by selecting the rational number and arrangement of rigid stops. This optimization would allow a more rational utilization of the structure's material ‒ concrete and steel. That would reduce the cost of operations and the quantity of materials required in the production, installation, and operation of the considered structures.

An earlier proposed algorithm for the selection of rigid stops in steel-concrete beams under the action of a concentrated force has been expanded for the case of an evenly distributed load. When selecting the number of rigid stops, it is assumed that the magnitude of the distributed load acting on a beam, the mechanical characteristics of materials (steel and concrete), as well as the span of the beam and the size of its cross-section, are kNown. In contrast to the beams with a concentrated force in the middle, where the forces abide by a linear law, in the beams with an evenly distributed load the efforts in a steel strip change in line with a square parabola. Therefore, while the same step has been obtained for stops, it is not possible to achieve a situation at which efforts in all stops have the same value

Author Biographies

Anatoliy Petrov, Kharkiv Petro Vasylenko National Technical University of Agriculture Alchevskykh str., 44, Kharkiv, Ukraine, 61002

PhD, Associate Professor

Department of Building and Civil Engineering

Andriy Paliy, Kharkiv Petro Vasylenko National Technical University of Agriculture Alchevskykh str., 44, Kharkiv, Ukraine, 61002

Doctor of Agricultural Sciences, Associate Professor

Department of Technical Systems and Animal Husbandry Technologies

Mykhailo Pavliuchenkov, Ukrainian State University of Railway Transport Feierbakha sq., 7, Kharkiv, Ukraine, 61050

PhD, Senior Lecturer

Department of Structural Mechanics and Hydraulics

Hennadii Tsyhanenko, Sumy National Agrarian University Herasyma Kondratieva str., 160, Sumy, Ukraine, 40021

Senior Lecturer

Department of Building Structures

Nadiia Khobot, Sumy National Agrarian University Herasyma Kondratieva str., 160, Sumy, Ukraine, 40021

Assistant

Department of Architecture and Engineering Studies

Ivan Vysochin, Sumy National Agrarian University Herasyma Kondratieva str., 160, Sumy, Ukraine, 40021

Doctor of Architecture, Professor

Department of Architecture and Engineering Studies

Oksana Yurchenko, Sumy National Agrarian University Herasyma Kondratieva str., 160, Sumy, Ukraine, 40021

PhD, Lecturer

Department of Construction Technology

Oleksii Ovcharenko, Luhansk National Agrarian University Slobozhanska str., 68, Starobilsk, Ukraine, 92703

PhD, Associate Professor

Department of General Training

Dmytro Sopov, Luhansk National Agrarian University Slobozhanska str., 68, Starobilsk, Ukraine, 92703

Acting Director of the Educational Scientific Institute of Construction

Anatoliy Paliy, National Scientific Center «Institute of Experimental and Clinical Veterinary Medicine» Pushkinska str., 83, Kharkiv, Ukraine, 61023

Doctor of Veterinary Sciences, Professor

Laboratory of Veterinary Sanitation and Parasitology

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Published

2020-06-30

How to Cite

Petrov, A., Paliy, A., Pavliuchenkov, M., Tsyhanenko, H., Khobot, N., Vysochin, I., Yurchenko, O., Ovcharenko, O., Sopov, D., & Paliy, A. (2020). Construction of an algorithm for the selection of rigid stops in steel­concrete beams under the action of a distributed load. Eastern-European Journal of Enterprise Technologies, 3(7 (105), 27–35. https://doi.org/10.15587/1729-4061.2020.204251

Issue

Vol. 3 No. 7 (105) (2020): Applied mechanics

Section

Applied mechanics

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Copyright (c) 2020 Anatoliy Petrov, Andriy Paliy, Mykhailo Pavliuchenkov, Hennadii Tsyhanenko, Nadiia Khobot, Ivan Vysochin, Oksana Yurchenko, Oleksii Ovcharenko, Dmytro Sopov, Anatoliy Paliy

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